make a man happy

If you would make a man happy, add not to his wants, but subtract from the sum of his desires.” – Seneca (4 B.C.E.-65 A.C.E.)

From wiki : Lucius Annaeus Seneca (often known simply as Seneca; ca. 4 BC – AD 65) was a Roman Stoic philosopher,statesman, dramatist, and in one work humorist, of the Silver Age of Latin literature. He was tutor and later advisor to emperor Nero